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authorLuis R. Rodriguez <lrodriguez@atheros.com>2009-10-19 02:33:41 -0400
committerJohn W. Linville <linville@tuxdriver.com>2009-10-30 16:50:37 -0400
commite68a060b5d88a72c06ec87864d20bea3f2a40629 (patch)
tree1220a9b95f86f200211b539a47a02d9c54d3e45c /drivers
parent0a3b7bac673ee9462f5defe808609746d27af50d (diff)
downloadtalos-op-linux-e68a060b5d88a72c06ec87864d20bea3f2a40629.tar.gz
talos-op-linux-e68a060b5d88a72c06ec87864d20bea3f2a40629.zip
ath9k_hw: use a callback for frequency change
This avoids a branch on every channel change. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c15
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.h4
2 files changed, 9 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index d4dc1cbe00aa..f2b2f45d3a78 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -951,8 +951,11 @@ int ath9k_hw_init(struct ath_hw *ah)
ath9k_hw_init_cal_settings(ah);
ah->ani_function = ATH9K_ANI_ALL;
- if (AR_SREV_9280_10_OR_LATER(ah))
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
+ ah->ath9k_hw_rf_set_freq = &ath9k_hw_ar9280_set_channel;
+ } else
+ ah->ath9k_hw_rf_set_freq = &ath9k_hw_set_channel;
ath9k_hw_init_mode_regs(ah);
@@ -1889,10 +1892,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
ath9k_hw_set_regs(ah, chan);
- if (AR_SREV_9280_10_OR_LATER(ah))
- r = ath9k_hw_ar9280_set_channel(ah, chan);
- else
- r = ath9k_hw_set_channel(ah, chan);
+ r = ah->ath9k_hw_rf_set_freq(ah, chan);
if (r) {
ath_print(common, ATH_DBG_FATAL,
"Failed to set channel\n");
@@ -2534,10 +2534,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
- if (AR_SREV_9280_10_OR_LATER(ah))
- r = ath9k_hw_ar9280_set_channel(ah, chan);
- else
- r = ath9k_hw_set_channel(ah, chan);
+ r = ah->ath9k_hw_rf_set_freq(ah, chan);
if (r)
return r;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 7f2b5d21f2f1..dcf1295f4eb4 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -548,7 +548,9 @@ struct ath_hw {
DONT_USE_32KHZ,
} enable_32kHz_clock;
- /* RF */
+ /* Callback for radio frequency change */
+ int (*ath9k_hw_rf_set_freq)(struct ath_hw *ah, struct ath9k_channel *chan);
+ /* Used to program the radio on non single-chip devices */
u32 *analogBank0Data;
u32 *analogBank1Data;
u32 *analogBank2Data;
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